George sprickerhoff



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(Application led Sept. 20, 1898.)

O banaan! ina.,

W/ TN E SSE S ATTORNEYS.

iINiTnn STATES PATENT OFFICE.

GEORGE SPRIOKERHOFF, OF NEV YORK, N. Y., ASSIGNOR OF ONE-HALF TO THEODORE I-IAEBLER, OF SAME PLACE.

FIREPROOF STRUCTURE.

SPECIFICATION forming part of Letters Patent No. 623,438, dated April 18, 1899.

Application filed September 20, 1898. Serial No. 691,409. (No model.)

To @ZZ whom, it may concern: dicated at 6 and 7. Tie-rods 8 are passed Beitknown that I, GEORGE SPRICKERHOFE, through openings 9 in the supporting-strips, of the city of New York, borough of Manhatand secured to these tie-rods by wires or othtan, in the county of New York and State of erwise is a wire-netting 10, which forms the 45 5 New York, have invented a new and Improved support for a reproof cement or concrete l1,

Fireproof Structure, of which the following is which should iill the space between the neta full, clear, and exact description. ting and the top of the beams.

This invention relates to improvements in VVhileIhave shown the stirrups as attached reproof structures, such as floors or ceilings; to the lower portions of the beams, it is ob- 5o 1o and the object is to provide' a structure of vious that they may be secured to the upper this character that shall be light, yet strong sides and extended downward. in construction, and one that maybe readily Having thus described my invention, I

placed. claim as new and desire to secure by Letters I will describe a lireproof structure embody- Patent- 5 5 1'5 ing my invention and then point out the novel 1. In a ireproof structure, the combination features in the appended claims. with beams,of stirrups attached to saidbeams,

Reference is to be had to the accompanying supporting-strips supported by opposite stirdrawings, forming a part of this specification, rups, tie-rods extended through openings in in which similar characters ot reference indithe strips, a netting secured to the tie-rods, 6o

2o cate corresponding parts in all the views. and cement on the netting, substantially as Figure I is a plan view of afireproof strucspecified. ture embodying my invention. Fig. 2 is asec- 2. In a iireproof structure, the combination tion on the line 2 2 of Fig. l. Fig. 3 is a secwith beams,of stirrups attached to said beams, tion on the line 3 3 of Fig. I, and Fig. 4 is a supporting-strips having their ends engaged 65' 25 perspective view of a stirrup and a portion of in openings in opposite stirrups, tie-rods exa supporting-strip employed in the structure. tended through openings in the strips, net- Referring to the drawings, l designates I- ting secured to the tie-rods, and cement on beams as usually employed for supporting the netting, substantially as specified. floors or ceilings. Attached to opposite beams 3. In areproof structure, the combination 7c 3o are stirrups 2, of comparatively light metal, with beams, of stirrups having portions enand having their lower portions 3 bent to engaged around flanges of the beams, supportgage the upper sides, the edges, and the boting-strips having their top and lower edges toms of the beam-flanges. The vertical porturned over in opposite directions, the said tions of the stirrups 2 are provided with verstrips being supported in the stirrups, net- 75 tically-elongated openings 4, into which the ting supported by said strips,and cement on ends of metal supporting-strips 5 are placed. the netting, substantially as speciiied. These supporting-strips are of comparatively 1 1 thin metal. To secure lightness and to give GEORGE' SPRIGKERHOFB them the necessary strength and rigidity, I Witnesses: 4o turn their top and bottom edges over, the JNO. M. RITTER,

turns being made from opposite sides, as in- C. R. FERGUSON. 

